Bump Microsoft.Bcl.AsyncInterfaces and System.Text.Json

Bumps [Microsoft.Bcl.AsyncInterfaces](https://github.com/dotnet/runtime) and [System.Text.Json](https://github.com/dotnet/runtime). These dependencies needed to be updated together.

Updates `Microsoft.Bcl.AsyncInterfaces` from 8.0 to 9.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.0...v9.0.0)

Updates `System.Text.Json` from 8.0.5 to 9.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.5...v9.0.0)

---
updated-dependencies:
- dependency-name: Microsoft.Bcl.AsyncInterfaces
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: System.Text.Json
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

src/Foundatio/Foundatio.csproj

@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <ItemGroup>
     <PackageReference Include="Microsoft.Bcl.TimeProvider" Version="8.0" />
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
-    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="8.0" />
+    <PackageReference Include="System.Text.Json" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0" />
     <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="8.0" />